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Apparatus for control of poison concentration in toxicity studies with fish |
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| Authors: | F.S.H. Abram |
| Affiliation: | Water Pollution Research Laboratory of the Department of the Environment, Stevenage, Hertfordshire, England |
| Abstract: | In order to facilitate accurate maintenance of defined experimental conditions in studying the effects of water pollutants on fish, automatic apparatus is frequently used. The equipment described here provides an automatic delivery of poison solutions to 14 aquaria; single poisons can be added at constant concentrations or poisons can be mixed or delivered in fluctuating or alternating concentrations. |
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